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Heart|Natural|GIA

0.51ct F IF Heart Natural Diamond

EX • F/IF • GIA 6535190740

Certificate GIA 6535190740

Diamond specifications and retailer prices

From $1,582 NZD
As of November 5, 2026
Save $420 NZD (21%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,515 NZD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6535190740. Listed at 9 retailers as of November 5, 2026, with a 27% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
F
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Pavilion angle41.9°
OriginNatural
Grading LabGIA
CertificateGIA 6535190740
Dimensions4.90 × 5.53 × 3.28 mm
L/W Ratio1.13
Top View
4.90 mm5.53 mm0.51 ctF / IF
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535190740
Side View
Table 60.0%CrownGirdle: MED-THKPavilion 41.9°Culet: NoneDepth 59.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,582 NZD|Low: $873 NZD|High: $2,643 NZD|Avg: $1,694 NZD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 9$1,061 NZD
Retailer 8$1,093 NZD
Retailer 12$1,288 NZD
Retailer 15$1,313 NZD
Retailer 13$1,353 NZD
Retailer 4$1,360 NZD
Retailer 11$1,364 NZD
Retailer 1$1,582 NZD
Retailer 10$1,614 NZD
Retailer 6$1,941 NZD
Retailer 3$1,945 NZD
Retailer 14$2,001 NZD
Retailer 7$2,002 NZD
Retailer 5$2,130 NZD
Retailer 2$2,397 NZD

15 data points across 15 retailers

9 retailers$1,582 NZD to $2,002 NZD

Retailer 1
-
$1,288 NZD
Price last confirmed 34 days ago
Retailer 2
-
$1,313 NZD
View
Price last confirmed 34 days ago
Retailer 3
-
$1,353 NZD
View
Price last confirmed 34 days ago
Retailer 4
-
$1,360 NZD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$1,582 NZD
View
Retailer 6
-
$1,945 NZD
View
Price last confirmed 34 days ago
Retailer 7
-
$2,001 NZD
View
Price last confirmed 34 days ago
B+
Retailer 8
-
$2,002 NZD
View
Most Expensive
NZ Jewellers
a7c790af-cced-4a02-a791-35f24c133178 · Sep 25
$4,515 NZD
$2,503 USD
View
Price last confirmed 42 days ago
8 more retailers have this diamond
Prices start from $1,582 NZDSave up to $420 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.51ct Heart
$1,582 NZD